My Real Sobriety Date

I have been going through the Steps as they are written in the Big Book. I completed a Fourth Step, shared my Fifth Step with my sponsor, and then went on to complete Steps Six through Eight. I am now in the process of doing my amends, Step Nine. One of the resentments on my Fourth Step inventory has to do with a dilemma I have had for many years concerning my anniversary date. Here's the story: